2 * Copyright (c) 1989 Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * from: @(#)float.h 7.1 (Berkeley) 5/8/90
30 * $FreeBSD: src/sys/i386/include/float.h,v 1.15 2005/01/06 22:18:15 imp Exp $
33 #ifndef _MACHINE_FLOAT_H_
34 #define _MACHINE_FLOAT_H_ 1
36 #include <sys/cdefs.h>
38 #define FLT_RADIX 2 /* b */
39 #define FLT_ROUNDS __flt_rounds()
40 #if __ISO_C_VISIBLE >= 1999
41 #define FLT_EVAL_METHOD (-1) /* i387 semantics are...interesting */
42 #define DECIMAL_DIG 21 /* max precision in decimal digits */
45 #define FLT_MANT_DIG 24 /* p */
46 #define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */
47 #define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */
48 #define FLT_MIN_EXP (-125) /* emin */
49 #define FLT_MIN 1.17549435E-38F /* b**(emin-1) */
50 #define FLT_MIN_10_EXP (-37) /* ceil(log10(b**(emin-1))) */
51 #define FLT_MAX_EXP 128 /* emax */
52 #define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */
53 #define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */
55 #define DBL_MANT_DIG 53
56 #define DBL_EPSILON 2.2204460492503131E-16
58 #define DBL_MIN_EXP (-1021)
59 #define DBL_MIN 2.2250738585072014E-308
60 #define DBL_MIN_10_EXP (-307)
61 #define DBL_MAX_EXP 1024
62 #define DBL_MAX 1.7976931348623157E+308
63 #define DBL_MAX_10_EXP 308
65 #define LDBL_MANT_DIG 64
66 #define LDBL_EPSILON 1.0842021724855044340E-19L
68 #define LDBL_MIN_EXP (-16381)
69 #define LDBL_MIN 3.3621031431120935063E-4932L
70 #define LDBL_MIN_10_EXP (-4931)
71 #define LDBL_MAX_EXP 16384
72 #define LDBL_MAX 1.1897314953572317650E+4932L
73 #define LDBL_MAX_10_EXP 4932
74 #endif /* _MACHINE_FLOAT_H_ */